/* -*- c++ -*- */
/*
 * Copyright 2005 Free Software Foundation, Inc.
 * 
 * This file is part of GNU Radio
 * 
 * GNU Radio is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 * 
 * GNU Radio is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with GNU Radio; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 021-1301, USA.
 */
#ifndef INCLUDED_LPC_LPC_ENCODER_H
#define INCLUDED_LPC_LPC_ENCODER_H

#include "lpc/lpc.h"
#include <gr_sync_decimator.h>

class lpc_lpc_encoder;
typedef boost::shared_ptr<lpc_lpc_encoder> lpc_lpc_encoder_sptr;

lpc_lpc_encoder_sptr lpc_make_lpc_encoder ();

/*!
 * \brief LPC Vocoder Encoder
 * \ingroup block
 *
 * shorts in; 12 byte packets out
 */
class lpc_lpc_encoder : public gr_sync_decimator {
  lpc_encoder_state  *d_lpc;

  friend lpc_lpc_encoder_sptr lpc_make_lpc_encoder ();
  lpc_lpc_encoder ();

public:
  ~lpc_lpc_encoder ();

  int work (int noutput_items,
	    gr_vector_const_void_star &input_items,
	    gr_vector_void_star &output_items);
};

#endif /* INCLUDED_LPC_LPC_ENCODER_H */
